Roundel or Rondel. A roundel is a small circular decorative plate used extensively in Renaissance courtyards and arcades often a niche containing a bust. A roundel window is a small, ornate, circular window.oundel or Rondel. A roundel is a small circular decorative plate used extensively in Renaissance courtyards and arcades often a niche containing a bust. A roundel window is a small, ornate, circular window.
Extended active duty is defined as active duty performed by a member of a Reserve component when strength accountability passes from the Reserve component to the active military establishment.. - DoD Financial Management Regulation. Volume 7A, Chapter 56. tlnmcfat3.
More Info: Types of Military Service FAQs. As the most time-intensive service commitment, Active Duty is similar to working at a full-time civilian job. Active-duty service members are full-time members of the Military, living on base or in military housing and immersed in military culture. After attending boot camp, they are stationed at a base either domestically or overseas. Active-duty terms typically last two to six years.